Chapters divide pages of a course. They also have a front page.
| Name | Type | Default | Nullable | Children | Parents | Comment |
|---|---|---|---|---|---|---|
| chapter_image_path | varchar(255) | true | Chapter image path is converted to chapter image url once fetched from database. | |||
| chapter_number | integer | false | ||||
| color | varchar(128) | true | Color of the chapter in the front page. | |||
| copied_from | uuid | true | public.chapters | The original chapter record of a copy. | ||
| course_id | uuid | false | public.courses public.course_modules | Which course this chapter belongs to. | ||
| course_module_id | uuid | false | public.course_modules | The module the chapter is a part of. If null, the chapter is part of the default module. | ||
| created_at | timestamp with time zone | now() | false | Timestamp when the record was created | ||
| deadline | timestamp with time zone | true | The deadline for all the exercises in the chapter. | |||
| deleted_at | timestamp with time zone | true | Timestamp when the record was deleted. If null, the record is not deleted. | |||
| front_page_id | uuid | true | public.pages | Page which is the front page of the chapter i.e. the page where the students end up when they select a chapter in the course material. | ||
| id | uuid | uuid_generate_v4() | false | public.chapters public.exercises public.pages | A unique, stable identifier for the record. | |
| name | varchar(255) | false | A human readable name of the chapter. Shown in the chapter lists. | |||
| opens_at | timestamp with time zone | true | If set, the chapter is closed to students before the timestamp and opens automatically at the given time. Students are informed of the opening time. If null, the chapter is always open. | |||
| updated_at | timestamp with time zone | now() | false | Timestamp when the record was last updated. The field is updated automatically by the set_timestamp trigger. |
| Name | Type | Definition |
|---|---|---|
| chapters_copied_from_fkey | FOREIGN KEY | FOREIGN KEY (copied_from) REFERENCES chapters(id) |
| chapters_course_id_fkey | FOREIGN KEY | FOREIGN KEY (course_id) REFERENCES courses(id) |
| chapters_course_module_id_not_null | n | NOT NULL course_module_id |
| chapters_course_modules_course_fkey | FOREIGN KEY | FOREIGN KEY (course_module_id, course_id) REFERENCES course_modules(id, course_id) |
| chapters_front_page_id_fkey | FOREIGN KEY | FOREIGN KEY (front_page_id) REFERENCES pages(id) |
| chapters_module_fkey | FOREIGN KEY | FOREIGN KEY (course_module_id) REFERENCES course_modules(id) |
| chapters_pkey | PRIMARY KEY | PRIMARY KEY (id) |
| course_parts_course_id_not_null | n | NOT NULL course_id |
| course_parts_created_at_not_null | n | NOT NULL created_at |
| course_parts_id_not_null | n | NOT NULL id |
| course_parts_name_not_null | n | NOT NULL name |
| course_parts_part_number_not_null | n | NOT NULL chapter_number |
| course_parts_updated_at_not_null | n | NOT NULL updated_at |
| unique_chapters_chapter_number_course_id_when_not_deleted | UNIQUE | UNIQUE NULLS NOT DISTINCT (chapter_number, course_id, deleted_at) |
| Name | Definition |
|---|---|
| chapters_pkey | CREATE UNIQUE INDEX chapters_pkey ON public.chapters USING btree (id) |
| unique_chapters_chapter_number_course_id_when_not_deleted | CREATE UNIQUE INDEX unique_chapters_chapter_number_course_id_when_not_deleted ON public.chapters USING btree (chapter_number, course_id, deleted_at) NULLS NOT DISTINCT |
| Name | Definition |
|---|---|
| set_timestamp | CREATE TRIGGER set_timestamp BEFORE UPDATE ON public.chapters FOR EACH ROW EXECUTE FUNCTION trigger_set_timestamp() |
Generated by tbls